Holding(s) in Company

3i Group PLC
12 July 2005

                                  SCHEDULE 10

                   NOTIFICATION OF MAJOR INTERESTS IN SHARES

1. Name of company

3i Group plc

2. Name of shareholders having a major interest

FMR Corp and its direct and indirect subsidiaries, and Fidelity International Limited (FIL) and its direct
and indirect subsidiaries, both being non-beneficial holders, and Mr Edward C Johnson 3d as a principal
shareholder of FMR Corp and FIL.

3. Please state whether notification indicates that it is in respect of holding
of the shareholder named in 2 above or in respect of a non-beneficial interest
or in the case of an individual holder if it is a holding of that person's
spouse or children under the age of 18

In respect of those named in 2 above

4. Name of the registered holder(s) and, if more than one holder, the number of
shares held by each of them

              Shares Held         Management Company                                             Nominee/Registered Name

                   11,300                    FIA(K)L                                              State Street Hong Kong
                  240,403                        FIJ                                          Master Trust Bank of Japan
                   88,635                        FIJ                                            Nomura Trust and Banking
                   66,360                        FIJ                                       Trust & Cust Svcs Bk Ltd,Toko
                  282,000                        FIL                                           Bank of New York Brussels
                  205,447                        FIL                                          Brown Bros Harrimn Ltd Lux
                  748,422                        FIL                                         Chase Manhttn Bk AG Frnkfrt
                   57,548                        FIL                                                      ING Luxembourg
                  532,612                        FIL                                              JP Morgan, Bournemouth
                  561,721                        FIL                                          National Astl Bk Melbourne
                  264,630                        FIL                                               Northern Trust London
                  283,658                        FIL                                         State Str Bk and Tr Co Lndn
                  278,040                        FIL                                         State Street Bank Australia
                   78,264                        FIL                                       State Street T&B Co Ltd Tokyo
                  493,461                     FIM HK                                           Bermuda Trust Far East HK
                1,513,852                       FISL                                              JP Morgan, Bournemouth
                  446,306                      FMRCO                                      Brown Brothers Harriman and Co
                1,496,658                      FMRCO                                                JP Morgan Chase Bank
                   97,900                      FMRCO                                               Northern Trust London
                1,699,690                      FMRCO                                         State Street Bank and Tr Co
                1,184,900                        FPM                                          Bank of New York, Brussels
                  208,800                        FPM                                                Bankers Trust London
                    9,800                        FPM                                              Chase Manhattan London
                   72,249                        FPM                                         Chase Manhttn BK AG Frnkfrt
                        0                        FPM                                                     Citibank London
                  100,400                        FPM                                                 Clydesdale Bank plc
                    8,224                        FPM                                                    Dexia Privatbank
                  607,100                        FPM                                                       HSBC Bank plc
                2,766,595                        FPM                                              JP Morgan, Bournemouth
                  589,928                        FPM                                                         Mellon Bank
                  105,616                        FPM                                         Midland Securities Services
                2,416,784                        FPM                                               Northern Trust London
                   67,300                        FPM                                                    Societe Generale
                2,874,414                        FPM                                         State Str Bk and Tr Co Lndn
                   55,789                        FPM                                                 State Street Munich

5. Number of shares / amount of stock acquired

not known

6. Percentage of issued class

not known

7. Number of shares / amount of stock disposed

not known

8. Percentage of issued class

not known

9. Class of security

Ordinary Shares of 53 1/8p each

10. Date of transaction

not known

11. Date company informed

11 July 2005

12. Total holding following this notification

20,514,806

13. Total percentage holding of issued class following this notification

3.55%

14. Any additional information

FMR Corp is the parent holding company of Fidelity Management & Research Company (FMRCO), investment
manager for US mutual funds, and Fidelity Management Trust Company (FMTC), a US state chartered bank which
acts as a trustee or investment manager of various pension and trust accounts.

Fidelity International Limited (FIL) is the parent holding company for various direct and indirect
subsidiaries, including Fidelity Investment Services Ltd (FISL) and Fidelity Pension Management (FPM),
investment managers for various non-US investment companies and institutional clients.

15. Name of contact and telephone number for queries

Yvonne Fisher - 020 7975 3266

16. Name and signature of authorised company official responsible for making
this notification

Jonathan Murphy - Deputy Company Secretary

Date of notification

12 July 2005


                      This information is provided by RNS
            The company news service from the London Stock Exchange